6455231655320 has 128 divisors (see below), whose sum is σ = 17005733619840. Its totient is φ = 2159024271360.

The previous prime is 6455231655317. The next prime is 6455231655347. The reversal of 6455231655320 is 235561325546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147989834 + ... + 148033446.

It is an arithmetic number, because the mean of its divisors is an integer number (132857293905).

Almost surely, 2^{6455231655320} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455231655320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8502866809920).

6455231655320 is an abundant number, since it is smaller than the sum of its proper divisors (10550501964520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6455231655320 is a wasteful number, since it uses less digits than its factorization.

6455231655320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56565 (or 56561 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 6455231655320 in words is "six trillion, four hundred fifty-five billion, two hundred thirty-one million, six hundred fifty-five thousand, three hundred twenty".